2. Puree the cooked and cooled sweet potatoes until smooth; add the butter, half the sugar, pinch of salt and all of the half and half, cinnamon, ginger, nutmeg and vanilla extract; stir well and taste. Add the remaining sugar as needed to taste. Add the eggs and combine well.

3. Pour into the casserole dish. Cover and bake at 375℉ for about 30 minutes, until heated through well.

4. Remove, uncover and spread marshmallows on the top, bake uncovered about 10 minutes longer, or until marshmallows are nicely browned.

Notes:Serve during the meal even though it seems to taste more like a dessert!